Digital battery booster



FIG. 1 is a top perspective view of the digital battery booster showing my new design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a back view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the digital battery booster and form no part of the claimed design. 

CLAIM The ornamental design for a digital battery booster, as shown and described. 